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    • 3. 发明授权
    • Tractor
    • 拖拉机
    • US07484580B2
    • 2009-02-03
    • US10558182
    • 2003-07-17
    • Tatsuo YamaguchiNoboru YamamotoBunei KatagiriKeiichi Hayashi
    • Tatsuo YamaguchiNoboru YamamotoBunei KatagiriKeiichi Hayashi
    • B60K17/28
    • B60K17/28Y10T74/19167
    • The present invention aims at making a transmission casing compact. In the present invention, in the inside of a transmission casing, a traveling-system power transmission mechanism which is interposed between an engine and an axel, a PTO-system power transmission mechanism which is interposed between the engine and a PTO shaft, and a changeover mechanism which is interposed between both power transmission mechanisms are provided, wherein the power transmission of the PTO-system power transmission mechanism is interrupted at a middle portion thereof by the changeover mechanism and, at the same time, the changeover mechanism is allowed to perform a changeover manipulation to connect a downstream side portion of the PTO-system power transmission mechanism and a downstream side portion of the traveling-system power transmission mechanism. In this manner, it is possible to transmit the rotational speed proportional to the rotational speed of the engine to the PTO-shaft (first PTO-system power transmission) with the use of the PTO-system power transmission mechanism, while with the use of the changeover mechanism, it is possible to perform the changeover manipulation which interrupts the power transmission of the PTO-system power transmission mechanism in the middle portion thereof and, at the same time, connects the downstream-side portion of the PTO-system power transmission mechanism and the downstream-side portion of the traveling-system power transmission mechanism so as to transmit the rotational speed proportional to a vehicle speed to the PTO shaft (second PTO-system power transmission).
    • 本发明的目的在于使变速箱紧凑。 在本发明中,在变速器壳体的内部,设置有位于发动机和轴之间的行驶系动力传递机构,配置在发动机和PTO轴之间的PTO系统动力传递机构, 设置有两个动力传递机构之间的切换机构,其中PTO系统动力传递机构的动力传递在其中间部分由切换机构中断,同时允许切换机构执行 连接PTO系统动力传递机构的下游侧部分和行驶系统动力传递机构的下游侧部分的切换操作。 以这种方式,可以通过使用PTO系统动力传递机构将与发动机的转速成比例的转速传递到PTO轴(第一PTO系统动力传递),同时使用 切换机构,可以进行中断PTO系统动力传递机构的中间部分的动力传递的切换操作,并且同时连接PTO系统动力传递的下游侧部分 机构和行驶系动力传递机构的下游侧部分,以将与车速成比例的转速传递给PTO轴(第二PTO系统动力传递)。
    • 4. 发明申请
    • Tractor
    • US20060272867A1
    • 2006-12-07
    • US10558182
    • 2003-07-17
    • Tatsuo YamaguchiNoboru YamamotoBunei KatagiriKeiichi Hayashi
    • Tatsuo YamaguchiNoboru YamamotoBunei KatagiriKeiichi Hayashi
    • B60K25/08B62D21/00F16H3/02
    • B60K17/28Y10T74/19167
    • The present invention aims at making a transmission casing compact. In the present invention, in the inside of a transmission casing, a traveling-system power transmission mechanism which is interposed between an engine and an axel, a PTO-system power transmission mechanism which is interposed between the engine and a PTO shaft, and a changeover mechanism which is interposed between both power transmission mechanisms are provided, wherein the power transmission of the PTO-system power transmission mechanism is interrupted at a middle portion thereof by the changeover mechanism and, at the same time, the changeover mechanism is allowed to perform a changeover manipulation to connect a downstream side portion of the PTO-system power transmission mechanism and a downstream side portion of the traveling-system power transmission mechanism. In this manner, it is possible to transmit the rotational speed proportional to the rotational speed of the engine to the PTO-shaft (first PTO-system power transmission) with the use of the PTO-system power transmission mechanism, while with the use of the changeover mechanism, it is possible to perform the changeover manipulation which interrupts the power transmission of the PTO-system power transmission mechanism in the middle portion thereof and, at the same time, connects the downstream-side portion of the PTO-system power transmission mechanism and the downstream-side portion of the traveling-system power transmission mechanism so as to transmit the rotational speed proportional to a vehicle speed to the PTO shaft (second PTO-system power transmission).
    • 5. 发明授权
    • Tractor
    • 拖拉机
    • US07325635B2
    • 2008-02-05
    • US10557852
    • 2003-07-17
    • Tatsuo YamaguchiNoboru YamamotoBunei Katagiri
    • Tatsuo YamaguchiNoboru YamamotoBunei Katagiri
    • B60R17/28
    • B60K17/28B60Y2200/221
    • The present invention aims at a tractor which can easily perform an assembling operation and a maintenance operation of a PTO transmission mechanism. According to the present invention, a PTO casing which incorporates a PTO transmission mechanism therein is detachably mounted on a rear portion of a transmission casing and, at the same time, the PTO casing is mounted in a state that a front portion thereof is housed in the inside of the transmission casing. By mounting the PTO casing which incorporates the PTO transmission mechanism therein on the rear portion of the transmission casing in this manner, it is possible to easily perform the assembling operation and the maintenance operation of the PTO transmission mechanism. Further, by mounting the PTO casing in a state that the front portion thereof is housed in the inside of the transmission casing, it is possible to miniaturize the transmission casing (make the transmission casing compact).
    • 本发明的目的在于一种可以容易地进行PTO传动机构的组装操作和维护操作的拖拉机。 根据本发明,一种将PTO传动机构结合在一起的PTO壳体可拆卸地安装在变速箱壳体的后部上,并且同时,PTO壳体以其前部容纳在其中的状态安装 传动箱内部。 通过以这种方式将包含PTO传动机构的PTO壳体安装在变速箱壳体的后部上,可以容易地执行PTO传动机构的组装操作和维护操作。 此外,通过将PTO壳体安装在其前部容纳在变速器壳体的内部的状态下,可以使变速器壳体小型化(使变速箱小型化)。
    • 6. 发明申请
    • Tractor
    • 拖拉机
    • US20060254836A1
    • 2006-11-16
    • US10557852
    • 2003-07-17
    • Tatsuo YamaguchiNoboru YamamotoBunei Katagiri
    • Tatsuo YamaguchiNoboru YamamotoBunei Katagiri
    • B60K17/28B60K25/00
    • B60K17/28B60Y2200/221
    • The present invention aims at a tractor which can easily perform an assembling operation and a maintenance operation of a PTO transmission mechanism. According to the present invention, a PTO casing which incorporates a PTO transmission mechanism therein is detachably mounted on a rear portion of a transmission casing and, at the same time, the PTO casing is mounted in a state that a front portion thereof is housed in the inside of the transmission casing. By mounting the PTO casing which incorporates the PTO transmission mechanism therein on the rear portion of the transmission casing in this manner, it is possible to easily perform the assembling operation and the maintenance operation of the PTO transmission mechanism. Further, by mounting the PTO casing in a state that the front portion thereof is housed in the inside of the transmission casing, it is possible to miniaturize the transmission casing (make the transmission casing compact).
    • 本发明的目的在于一种可以容易地进行PTO传动机构的组装操作和维护操作的拖拉机。 根据本发明,一种将PTO传动机构结合在一起的PTO壳体可拆卸地安装在变速箱壳体的后部上,并且同时,PTO壳体以其前部容纳在其中的状态安装 传动箱内部。 通过以这种方式将包含PTO传动机构的PTO壳体安装在变速箱壳体的后部上,可以容易地执行PTO传动机构的组装操作和维护操作。 此外,通过将PTO壳体安装在其前部容纳在变速器壳体的内部的状态下,可以使变速器壳体小型化(使变速箱小型化)。
    • 7. 发明申请
    • Tractor
    • 拖拉机
    • US20070069488A1
    • 2007-03-29
    • US10558146
    • 2003-07-17
    • Tatsuo YamaguchiNoboru YamamotoBunei Katagiri
    • Tatsuo YamaguchiNoboru YamamotoBunei Katagiri
    • B60N2/427
    • F16H37/046B60K17/08B62D49/00
    • The present invention aims at allowing a tractor to easily set the creep transmission specification and the non-creep transmission specification. According to the present invention, in a tractor in which a transmission part is interlockingly connected with a prime mover part, and power is transmitted to a front wheel and a rear wheel from the transmission part thus enabling the traveling of the tractor, a creep transmission part is detachably interlockingly connected with the transmission part. By detachably mounting the creep transmission part to the transmission part in this manner, it is possible to easily set the creep transmission specification and the non-creep transmission specification.
    • 本发明旨在允许拖拉机容易地设定蠕变传动规格和非蠕变传动规范。 根据本发明,在变速器部分与原动机部分互锁地连接的拖拉机中,从变速器部件向前轮和后轮传递动力,从而能够使拖拉机的行驶, 部分可拆卸地与传动部分互锁地连接。 通过以这种方式将蠕变传递部分可拆卸地安装到传动部分,可以容易地设定蠕变传播规格和非蠕变传动规格。